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Current Drug Metabolism

Editor-in-Chief

ISSN (Print): 1389-2002
ISSN (Online): 1875-5453

Assessment of Blood-Brain Barrier Penetration: In Silico, In Vitro and In Vivo

Author(s): Meihua Rose Feng

Volume 3 , Issue 6 , 2002

Page: [647 - 657] Pages: 11

DOI: 10.2174/1389200023337063

Price: $65

Abstract

The amount of drug achieved and maintained in the brain after systemic administration is determined by the agents permeability at blood-brain barrier (BBB), potential involvement of transport systems, and the distribution, metabolism and elimination properties. Passive diffusion permeability may be predicted by an in silico method based on a molecules structure property. In vitro cell culture is another useful tool for the assessment of passive permeability and BBB transports (e.g. PGP, MRP). In situ or in vivo techniques like carotid artery single injection or perfusion, brain microdialysis, autoradiography, and others are used at various stages of drug discovery and development to estimate CNS penetration and PK/PD correlation. Each technique has its own application with specific advantages and limitations.

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